>> reporter: jeff, federal law allows the president to intervene in a labor dispute if it's declared a national emergency. now, president george w. bush used that power in 2002 to end an 11-day lockout of dock workers on the west coast, a lockout that was deemed too damaging to the economy. >> glor: anna werner, thank you. that massive winter storm that impacted two-thirds of the country is dumping snow on maine tonight. the same system spawned tornadoes in the south and blizzards in the midwest. it is blamed for 16 deaths in the past three days. wales, new york, got 15 inches of snow; goreville, illinois, 14 inches; elletsville, indiana, 13. more than 600 flights were canceled today. a major airline is hiring, you might be surprised who is applying for work; and a volcano erupts, but some who live nearby refuse to evacuate-- when the "cbs evening news" continues. [ woman ] dear cat, your hair mixes with pollen and dust. i get congested. but now, with zyrtec-d®, i have the proven allergy relief of zyrtec®, plus a powerful decongestant. zyrtec-d® lets me breath freer, so i can love